Home / 112,334,561.80-168,501,842.70-91,927,227.40

Finding the Fourth Proportional to 112,334,561.80, 168,501,842.70 and 91,927,227.40

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Solution

The fourth proportional to 112,334,561.80, 168,501,842.70 and 91,927,227.40 is: 137,890,841.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,334,561.80 : 168,501,842.70 = 91,927,227.40 : x
  2. Step 2: Convert to fraction form
    112,334,561.80/168,501,842.70 = 91,927,227.40/x
  3. Step 3: Cross multiply
    112,334,561.80x = 168,501,842.70 × 91,927,227.40
  4. Step 4: Simplify right side
    112,334,561.80x = 15,489,907,211,201,930
  5. Step 5: Solve for x
    x = 15,489,907,211,201,930/112,334,561.80
  6. Step 6: Final answer
    x = 137,890,841.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.